Firmware from a T95 with 2GB RAM will brick a 4GB unit. The DDR init script is hardcoded in u-boot.bin .
: Fixes for streaming services and improved Bluetooth 5.0 connectivity. Method 1: The Standard OTA (Over-the-Air) Update t95 android box firmware update exclusive
Finding official updates is difficult as "T95" is a generic brand used by various manufacturers. Firmware from a T95 with 2GB RAM will brick a 4GB unit